On Tour with Asperger’s Are Us (8 p.m., HBO) - The second night of HBO’s 3-night run of this documentary series, in which director Alex Lehmann follows the sketch comedy troupe Asperger’s Are Us on their first cross-country tour in a jalopy of an old RV. The six-week trip tests the friendships of the troupe members, who are all on the autism spectrum. This six-part documentary series launched with two back-to-back episodes last night and two more tonight. The final two parts air on Thursday. If you need to catch up on missed episodes, HBO has them on demand.
Billboard Music Awards (8 p.m., NBC) - Awards for the past year’s most popular artists, albums and songs across multiple genres.
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